2022 Co-chair, AI and Big Data Research for Health Improvement Symposium 30-31 August 2022, HKU
2020 Organizer, Online Workshop on Data Science 18 April 2020, HKU
2020 Organizer, Workshop on Matrix and Tensor Computations 22 January 2020, HKU
2019 Organizer, Workshop on Scientific Computing 8 August 2019, HKU
2019 Organizer, Workshop on Data and Imaging Science (II) 28-29 June 2019, HKBU
2019 Organizer, Workshop on Data and Imaging Science 30-31 May 2019, HKBU
2019 Organizer, IIT-HKBU Workshop on Data and Imaging Sciences, 21-22 February 2019, HKBU
2018 Co-chair, SIAM Conference on Applied Linear Algebra, 4-8 May 2018, Hong Kong
2017 Organizer, The First International Conference on Mathematics of Data Science (MathDS), 20-24 March 2017, HKBU
2017 Co-chair, The Fifteenth Asia Pacific Bioinformatics Conference, 16-18 January 2017, Shenzhen
2015 Organizer, Joint Fudan-HKBU Workshop on Data Science, 11-13 May 2015, HKBU
2014 Co-chair, SIAM Conference on Imaging Science, 12-14 May 2014, Hong Kong
2014 Organizer, The Workshop on Structured Tensors, 17 January 2014, PolyU
2013 Organizer, International Workshop on Numerical Linear Algebra with Applications (in honor of the 75th birthday of Prof. Robert Plemmons), 17-18 November 2013, CUHK
2013 Organizer, CMIV Workshop on Computational Methods and Image Processing, 20 August 2013, HKBU
2013 Organizer, CMIV Workshop on Matrix Analysis and Applications 8 July 2013, HKBU
2013 Organizer, CMIV Workshop on Numerical Linear Algebra, 11 March 2013, HKBU
2012 Organizer, International Conference on Imaging Science (in honor of Professor Stanley Osher at his 70th birthday), 12-14 December 2012, Hong Kong
2012 Organizer, Workshop on Matrix Computations in Memory of Professor Gene Golub, 29 February 2012, HKBU
2012 Organizer, CMIV Workshop on Optimization and its Applications, 9 January 2012, HKBU
2012 Organizer, The International Conference on Scientific Computing , In honor of Prof. Tony F. Chan at his 60th birthday for his contributions in Scientific Computing, 4-7 January 2012, HKUST and CUHK
2011 Organizer, CMIV Workshop on Bioinformatics, 13 December 2011, HKBU
2011 Organizer, The Fourth International Conference on Scientific Computing and PDEs, 5-9 December 2011, HKBU
2011 Organizer, Summer Workshop on Imaging Sciences: Part I, 26 July 2011 and Part II, 29 August 2011, HKBU
2011 Organizer Workshop on Imaging Sciences, 30 April 2011, HKBU
2011 Organizer, The Third Workshop on Numerical Algebra and High Performance Computation, 26-27 March 2011, CUHK
2011 Program Co-chair, IEEE International Conference on Bioinformatics & Biomedicine (BIBM), 18-21 December 2010, Hong Kong
2011 Organizer Joint China and Russia Conference on Computational Mathematics, 1-3 November 2010, HKBU
2010 Organizer Workshop on Computational Imaging Sciences, 12 August 2010, HKBU
2010 Organizer The 3rd International Conference on Structured Matrices and Tensors, 19- 22 January 2010, HKBU and PolyU
2009 Tutorial Co-chair, The 18th ACM Conference on Information and Knowledge Management (CIKM), Hong Kong
2009 Organizer, Hong Kong Virtual Institute for Imaging Sciences and Applications (VIISA) Symposium, 9 November 2009, HKBU
2009 Organizer, International Conference On Preconditioning Techniques For Scientific And Industrial Applications, 24-26 August 2009, HKBU
2008 Organizer, ASI Symposium on Bioinformatics and Data Mining, 26-27 February 2009, HKBU
2008 Organizer, The Third International Conference on Scientific Computing and PDEs, 8-12 December 2008, HKBU
2008 Organizer, Workshop on Tensor: Theory, Algorithms and Applications, 22 July 2008, HKBU
2008 Director, Croucher Advanced Study Institute - Mathematical & Algorithmic Challenges for Modelling & Analysing Modern Data Sets, 21-25 April 2008, HKBU
2008 Organizer, Gene Around the World, 29 February 2008, HKBU
2007 Organizer, Workshop on Solution Methods for Saddle Point Systems, 31 October 2007, HKBU
2007 Adviser, RGC Postgraduate Students Conference on Computer Imaging & Vision, June 12-15 June 2007, HKBU
2007 Organizer, Joint France/Hong Kong Image Processing Workshop 2 February 2007, HKBU
2006-2019 Director, Centre for Mathematical Imaging and Vision (Conferences and Workshops; Lectures and Seminars), HKBU
2006-2008 Organizer, NSF Research Experiences for Undergraduates (REU): USA-Hong Kong REU in Numerical Analysis and Scientific Computing with Applications in Applied Science and Engineering, Hong Kong
2006 Organizer, Workshop on Linear Algebra with Applications, 10 November 2006, HKBU
2006 Organizer, The 2nd International Conference on Structured Matrices, 8-11 June, 2006, HKBU
2006 Organizer, The 2nd International Conference on Structured Matrices, 8-11 June 2006, HKBU
2005 Organizer, The Second International Conference on Scientific Computing and PDEs , 12-16 December 2005, HKBU
2005 Organizer, International Conference on Superresolution Imaging, 29-31 August 2005, HKU
2002 Organizer, Workshop on Data Mining and Modeling, 27-28 June 2002, HKU
2002 Organizer, International Conference on Structured Matrices, 29 May-1 June, 2002, CUHK and HKU
2001 Organizer, Workshop on Matrix Computations, 24 May 2001, HKU
2001 Committee Member, The 5th Pacific-Asia Knowledge Discovery in Database Conference (PAKDD-01), 16-18 April 2001, Hong Kong
2001 Organizer, Workshop on Computational Methods for ODEs, 16 January, HKU
2000 Organizer, Workshop on Mathematics in Image Processing, 14-16 December 2000, HKU